New changelog entries:
* New upstream release (from OpenBSD 6.4)
* debian/control: Bump Standards-Version to 4.2.1 (no changes necessary).
* debian/patches:
+ Move broadcast support out of misc-failures-and-features.patch into
an individual patch.
+ Fix arbitrary port list support (Closes: #886910, regression since
1.178-1) and move it into an individual patch. Furthermore, add range
support as well as shuffling in said list, and document these features.
(Closes: #886909).

New changelog entries:
* Change defaults from "-q0" to "-q-1" to match upstream defaults since the
introduction of flag "-N" in version 1.110. Passing a non-negative value
to "-q" now implies "-N"; in particular, "-q0" is now a mere alias for
"-N". (Closes: #854292)